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B4W error:cannot play the bones animation for the too many bones

I open the model html files, which Contain the bone animation. But it don't work well, the model is in the original position which means that the bones don't work.And the debugging info is：B4W ERROR: too many bones for "TDA Miku_mesh" / 200 bones (max 51 with blending, 102 without blending). Skinning will be disabled.

There are strict limitations for webgl. You can check webglreport.com and find there Max Vertex Uniform Vectors. They are used for skeletal animation. Your device can use 102 bones maximum.Could you try to reduce the bones quantity?

Hi, friends, I cannot solve the problem and need your help. I searched in google and find some ways, but all didn't work. And I found that the iphone only can use 51 bones maximum, which is unbelievable and the quantity is too low.

So, to make the skeletal animation fine, I have to use more than 102 bones, is there still some ways to make it.